Network Administration news, help and research - SearchNetworking.com

Network Administration

  • Network user management

    While networking professionals protect their network perimeters, they must be just as careful to manage users on the inside. How can admins enforce network security policies and allocate user permissions? Take a look at these problem user profiles to...  Learning Guide

  • Troubleshooting -- 'Network Know-How' Chapter 17

    Troubleshooting, Chapter 17 of the book 'Network Know-How,' shows you tools and methods that identify and solve network problems. Consider using the techniques in this chapter as a guide to fixing computer connection problems in all operating system ...  Book Chapter

  • Network management frameworks: FCAPS and ITIL

    Network management is a complex topic, especially as the network has to handle more instances of unified communications, video, and virtualization. Thus far, two frameworks exist that can be of some use for understanding and taming network management...  Crash Course

  • Interop Las Vegas 2008: Special news coverage

    SearchNetworking.com editors were in Las Vegas to bring you the most detailed coverage of Interop Las Vegas 2008. Read all the biggest news stories, interviews, and blog tidbits, download podcasts and watch exclusive videos from one of networking's b...  Special News Coverage

  • The IT Guy: Networking comics

    In our networking comic series, the IT guy and his office coworkers encounter day-to-day data networking and office challenges. On this page, you'll find a listing of all our comics.  Comic

  • Top networking expert answers of 2007

    The year's top networking questions answered by our experts on networking fundamentals, network administration, routing and switching, wireless networking, IPv4 and IPv6, infrastructure and project management, certifications and training, wireless LA...  The best of SearchNetwork

  • Tech support, I forgot my password: The IT Guy cartoon

    If you've ever answered the phone for tech support, you've probably dealt with the proverbial clueless user. In this episode of The IT Guy networking cartoon, Dave takes his turn helping a frustrated (and frustrating) user with a forgotten password.  Cartoon

  • IP Accounting -- from Network Management: Accounting and Performance Strategies

    IP Accounting, Chapter 6 of "Network Management: Accounting and Performance Strategies," describes the IP Accounting features in Cisco IOS and teaches you the different IP Accounting functions and SNMP MIB. Learn about IP Accounting Access Control Li...  Chapter Download

  • Understanding TCP/IP

    This tutorial explains TCP/IP, including history, development, its use as a standard, Requests for Comment and the protocol suite.  Tutorial

  • Gigabit Ethernet and 10 Gigabit Ethernet: Technology overview

    This overview of Gigabit Ethernet and 10G lays the foundation for understanding Gigabit Ethernet technology and the advantages it brings to your network.  Networking FastFacts

  • See More: Essential Knowledge on Network Administration

  • Understand Windows tracert output to troubleshoot network connectivity

    Troubleshooting network connectivity from the command line interface using the traceroute (tracert) command won't solve problems if you don't know what the output results mean. This tip examines each line of the tracert command output to help you det...  Tip

  • Using nmap for Linux administration and security

    The open source tool nmap is ideal for network troubleshooting, scanning and auditing. The tool can be used to identify devices on the network as well as the services running on them. It can also identify advanced information, such as operating syste...  Tip

  • Using tracert and TTL to troubleshoot network connectivity problems

    When the network is slow, packet loss could be the culprit. To troubleshoot your connection, learn how the time-to-live (TTL) and tracert ping commands can determine whether packet loss is occurring.  Tip

  • Checking IP configuration to troubleshoot Windows network connectivity

    You can diagnose network connectivity problems by checking your TCP/IP configuration. To learn how to do this, article author Brien Posey gives you step-by-step directions on how to perform simple command line (CL) ping tests for a computer running W...  Tip

  • Virtual machines present dynamic environment issues for network pros

    Virtual machines (VMs) routinely move between servers and can move across subnets, and virtualization blurs the line between the network and the server. These dynamic environment issues can challenge network professionals. In this tip, learn more abo...  Tip

  • Cisco interface addressing

    A look at the various commands that can be used to address Cisco router interfaces on the WAN and LAN and when to use each.  Tip

  • QoS components: A closer look

    A large component to a successful voice over IP (VoIP) infrastructure is effectively deploying a quality of service (QoS) model. QoS components entail classification and marking, congestion management, congestion avoidance, policing and shaping, and ...  Tip

  • Network test plan: Checklist for architecture changes

    For every change you make to your network architecture, you should have a test plan and a backout plan. In this tip, learn how to build a test plan and review a sample checklist of things to include.  Tip

  • Network engineering overview: Detailed design considerations

    Implementing architectural concepts and dealing with detailed network designs must be second nature to the network engineer. In the conclusion of our tip series on things network engineers need to know to be effective, Tom Lancaster provides some con...  Tip

  • Network engineering overview: Policy and process

    Policy and process may seem like dull and superfluous activities, but they exist to improve communication between different departments of your company. In the third installment of his series on things network engineers need to know to be effective, ...  Tip

  • See More: Tips on Network Administration

  • converged network adapter (CNA)

    A converged network adapter (CNA) is a single network interface card (NIC) that contains both a Fibre Channel (FC) host bus adapter (HBA) and a TCP/IP Ethernet NIC.  Definition

  • availability

    1) In a telephone circuit, availability is the ratio between the time during which the circuit is operational and elapsed time. 2) In a network switching system, availability is the accessibility of input and output ports.  Word

  • carrier detect

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  • fiber jumper

    A fiber jumper, sometimes called a fiber patch cord is a length of fiber cabling fitted with LC, SC, MTRJ or ST connectors at each end... (Continued)  Word

  • patch cord

    A patch cord is a length of cable, with connectors on the ends, that is used to connect an end device to something else, such as a power source.  Word

  • staggered quadrature phase-shift keying

    Staggered quadrature phase-shift keying (SQPSK), also known as offset quadrature phase-shift keying (OQPSK), is a method of phase-shift keying (PSK) in which the signal carrier-wave phase transition is always 90 degrees or 1/4 cycle at a time... (Con...  Word

  • layer 2

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  • networking

    In information technology, networking is the construction, design, and use of a network.  Word

  • OSI (Open Systems Interconnection)

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  • Network layer

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  • See More: Definitions on Network Administration

  • Networking podcasts

    Listen to our networking podcasts and learn more about technologies you need to know to keep your network running smoothly.  Podcast

About Network Administration

Here we offer tutorials on networking basics, network documentation and network maintenance for the network administrator. Learn about network mapping and tracking network devices and IP addresses to save time and resources, along with ways to simplify routine admin tasks such as operating system upgrades and security patch management.